||Separation (arcsec)|Separation (au)|Most Recent Position Angle|Period (years)|Semi-major axis (arcseconds)|Notes|
|---|---|---|---|---|---|---|
|AB-CD|208.2|10,500|172|||ε1-ε2|
|AB|2.3|116|347|1804.41|4.742|components of ε1|
|CD|2.4|121|79|724.307|2.92|components of ε2|
|Ca|0.1|5|225|||recently discovered interferometric companion|
|AI|149.6|7500|138||||
|CE|63.7|3200|333||||
|EF|46|2300|37||||
|EG|50|2500|238||||
|GH|35|1800|358||||

Question: how many orbit pairs total are listed?
Answer: 9